Home / 892,708.96-1,231,938.32-490,300.96

Finding the Fourth Proportional to 892,708.96, 1,231,938.32 and 490,300.96

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Solution

The fourth proportional to 892,708.96, 1,231,938.32 and 490,300.96 is: 676,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,708.96 : 1,231,938.32 = 490,300.96 : x
  2. Step 2: Convert to fraction form
    892,708.96/1,231,938.32 = 490,300.96/x
  3. Step 3: Cross multiply
    892,708.96x = 1,231,938.32 × 490,300.96
  4. Step 4: Simplify right side
    892,708.96x = 604,020,540,956.79
  5. Step 5: Solve for x
    x = 604,020,540,956.79/892,708.96
  6. Step 6: Final answer
    x = 676,615.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.